40 lines
809 B
Bash
40 lines
809 B
Bash
#! /bin/sh
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# In case the interface is used as nfsroot, avoid ifup, otherwise
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# nfsroot may lose response
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nfsroot=0
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if test "x$IFACE" = xlo ; then
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exit 0
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fi
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exec 9<&0 < /proc/mounts
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while read dev mtpt fstype rest; do
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if test $mtpt = "/" ; then
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case $fstype in
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nfs | nfs4)
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nfsroot=1
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nfs_addr=`echo $rest | sed -e 's/^.*addr=\([0-9.]*\).*$/\1/'`
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break
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;;
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*)
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;;
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esac
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fi
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done
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exec 0<&9 9<&-
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test $nfsroot -eq 0 && exit 0
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if [ -x /bin/ip -o -x /sbin/ip ] ; then
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nfs_iface=`ip route get $nfs_addr | grep dev | sed -e 's/^.*dev \([-a-z0-9.]*\).*$/\1/'`
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fi
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if test "x$IFACE" = "x$nfs_iface" ; then
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echo "ifup skipped for nfsroot interface $nfs_iface"
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exit 1
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fi
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exit 0
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